JP2648643B2 - 光増幅器 - Google Patents

光増幅器

Info

Publication number
JP2648643B2
JP2648643B2 JP3131326A JP13132691A JP2648643B2 JP 2648643 B2 JP2648643 B2 JP 2648643B2 JP 3131326 A JP3131326 A JP 3131326A JP 13132691 A JP13132691 A JP 13132691A JP 2648643 B2 JP2648643 B2 JP 2648643B2
Authority
JP
Japan
Prior art keywords
optical amplifier
gain
optical
optical fiber
detected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP3131326A
Other languages
English (en)
Japanese (ja)
Other versions
JPH04356984A (ja
Inventor
一夫 相田
浩次 増田
清司 中川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP3131326A priority Critical patent/JP2648643B2/ja
Priority to EP92305084A priority patent/EP0517503B1/de
Priority to DE69221542T priority patent/DE69221542T2/de
Priority to US07/892,945 priority patent/US5245690A/en
Publication of JPH04356984A publication Critical patent/JPH04356984A/ja
Application granted granted Critical
Publication of JP2648643B2 publication Critical patent/JP2648643B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
    • H01S3/13013—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers by controlling the optical pumping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S2301/00—Functional characteristics
    • H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06704—Housings; Packages
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • H01S3/094011—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre with bidirectional pumping, i.e. with injection of the pump light from both two ends of the fibre
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Communication System (AREA)
JP3131326A 1991-06-03 1991-06-03 光増幅器 Expired - Lifetime JP2648643B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP3131326A JP2648643B2 (ja) 1991-06-03 1991-06-03 光増幅器
EP92305084A EP0517503B1 (de) 1991-06-03 1992-06-03 Optischer Verstärker
DE69221542T DE69221542T2 (de) 1991-06-03 1992-06-03 Optischer Verstärker
US07/892,945 US5245690A (en) 1991-06-03 1992-06-03 Optical fiber amplifier including rare earth doped fiber and feedback pump light source control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3131326A JP2648643B2 (ja) 1991-06-03 1991-06-03 光増幅器

Publications (2)

Publication Number Publication Date
JPH04356984A JPH04356984A (ja) 1992-12-10
JP2648643B2 true JP2648643B2 (ja) 1997-09-03

Family

ID=15055338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3131326A Expired - Lifetime JP2648643B2 (ja) 1991-06-03 1991-06-03 光増幅器

Country Status (4)

Country Link
US (1) US5245690A (de)
EP (1) EP0517503B1 (de)
JP (1) JP2648643B2 (de)
DE (1) DE69221542T2 (de)

Families Citing this family (71)

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Publication number Priority date Publication date Assignee Title
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DE4208858A1 (de) * 1992-03-19 1993-09-23 Sel Alcatel Ag Faseroptischer verstaerker mit regelung der pumplicht-wellenlaenge
US5471334A (en) * 1992-10-21 1995-11-28 Nippon Telegraph And Telephone Corporation Method and apparatus for monitoring noise figure of optical amplifier
DE4315846A1 (de) * 1993-03-30 1994-10-06 Sel Alcatel Ag Faseroptischer Verstärker
JPH06318754A (ja) * 1993-05-10 1994-11-15 Matsushita Electric Ind Co Ltd 光ファイバ増幅器および光信号伝送システム
GB2278230A (en) * 1993-05-18 1994-11-23 Northern Telecom Ltd Optical amplifier
DE4321856A1 (de) * 1993-07-01 1995-01-12 Sel Alcatel Ag Faseroptischer Verstärker mit einer Vorrichtung zur Überwachung der Pump- und Eingangsleistung
US5374973A (en) * 1993-09-21 1994-12-20 Alcatel Network Systems, Inc. Optical amplifier
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JP2778438B2 (ja) * 1993-12-27 1998-07-23 日本電気株式会社 光増幅装置と光増幅器設計方法と光中継伝送システム
FR2714982B1 (fr) * 1994-01-13 1996-02-02 Alcatel Nv Amplificateur optique régulé.
US5526153A (en) * 1994-01-21 1996-06-11 At&T Corp. Optical channel adding/dropping filter
JPH0832162A (ja) * 1994-07-15 1996-02-02 Sumitomo Electric Ind Ltd 光増幅器
US5533163A (en) * 1994-07-29 1996-07-02 Polaroid Corporation Optical fiber structure for efficient use of pump power
JP3442897B2 (ja) * 1995-03-08 2003-09-02 Ｋｄｄｉ株式会社 範囲別利得制御光増幅器及び範囲別光増幅器利得制御方法及び光受信器及び光中継器
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JP2800715B2 (ja) * 1995-05-12 1998-09-21 日本電気株式会社 光ファイバ増幅器
JP2809132B2 (ja) * 1995-06-07 1998-10-08 日本電気株式会社 光増幅監視装置
FR2743233B1 (fr) * 1995-12-28 1998-01-23 Alcatel Nv Systeme de repartition de signaux optiques
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JP3909119B2 (ja) * 1996-10-31 2007-04-25 憲一 植田 レーザ装置
FR2755771B1 (fr) * 1996-11-13 1998-12-04 France Telecom Amplificateur a guide d'onde optique dope par des ions fluorescents, a gain regule par fluorescence transverse
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JP3065980B2 (ja) * 1998-01-07 2000-07-17 日本電気株式会社 光増幅器
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JPH11266047A (ja) * 1998-03-17 1999-09-28 Fujitsu Ltd 光増幅器及び該光増幅器を備えたシステム
US6603596B2 (en) 1998-03-19 2003-08-05 Fujitsu Limited Gain and signal level adjustments of cascaded optical amplifiers
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US6437320B1 (en) * 1999-04-27 2002-08-20 Nec Corporation Optical amplifier control unit, optical amplification apparatus, and transmission system
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US6366393B1 (en) 1999-08-25 2002-04-02 Lucent Technologies Inc. Fast gain control for optical amplifiers
US6583923B1 (en) * 1999-12-07 2003-06-24 Siemens Aktiengesellschaft Optical fiber amplifier
US6307670B1 (en) 1999-12-14 2001-10-23 Corning Incorporated Pump power control for optical fiber amplifier
JP2001196670A (ja) * 2000-01-12 2001-07-19 Oki Electric Ind Co Ltd 光増幅器
EP1130709A2 (de) * 2000-01-20 2001-09-05 Cyoptics (Israel) Ltd. Optische Strahlungsüberwachung in Halbleitervorrichtungen
KR100326318B1 (ko) 2000-02-09 2002-03-08 윤종용 파장분할다중화 시스템용 광섬유 증폭기의 일시 과도 현상억제 장치
US6414788B1 (en) 2000-10-02 2002-07-02 Onetta, Inc. Optical amplifier system with transient control
US6341034B1 (en) 2000-10-18 2002-01-22 Onetta Inc. Optical amplifier system with transient control using spectrally filtered input
US6498677B1 (en) 2000-10-23 2002-12-24 Onetta, Inc. Optical amplifier systems with transient control
US6441950B1 (en) 2000-11-03 2002-08-27 Onetta, Inc. Distributed raman amplifier systems with transient control
US6961522B1 (en) 2000-11-22 2005-11-01 Cisco Technology, Inc. Automatic raman gain and tilt control for ultra-long-distance dense WDM optical communication system
US6542287B1 (en) 2000-12-12 2003-04-01 Onetta, Inc. Optical amplifier systems with transient control
KR100358115B1 (ko) * 2000-12-14 2002-10-25 한국전자통신연구원 자동 이득 제어된 광섬유 증폭 장치
US6636345B2 (en) * 2001-02-27 2003-10-21 Corning Incorporated Optical fiber pumping system
JP3859455B2 (ja) 2001-03-07 2006-12-20 レーザーフロントテクノロジーズ株式会社 半導体レーザ励起固体レーザ装置及び該装置の状態診断方法
US6671085B2 (en) * 2001-04-11 2003-12-30 Bti Photonics Inc. Switchable dynamic gain-flattened optical amplifiers and methods with wide dynamic gain range
US6476961B1 (en) 2001-04-26 2002-11-05 Onetta, Inc. Optical amplifier systems with transient control
US6941079B1 (en) 2001-05-24 2005-09-06 Cisco Technology, Inc. Optical demultiplexer with multi-channel power control and tilt compensation
US6751014B2 (en) * 2001-06-19 2004-06-15 International Business Machines Corporation Automatic gain control and dynamic equalization of erbium doped optical amplifiers in wavelength multiplexing networks
US6989923B2 (en) 2001-08-08 2006-01-24 Photuris, Inc. Optical amplifier having automatic gain control with improved performance
US6690505B1 (en) 2001-09-28 2004-02-10 Onetta, Inc. Optical network equipment with gain transient control and automatic drift compensation
US6788870B1 (en) 2001-11-08 2004-09-07 Tyco Telecommunications (Us) Inc. Isothermal fiber optic tray
US7064890B2 (en) * 2001-12-10 2006-06-20 Sumitomo Electric Industries, Ltd. Optical amplifier and optical communication system including the same
US7177334B2 (en) * 2003-10-02 2007-02-13 Asia Optical Co., Ltd. High power driver system
US7433375B2 (en) * 2003-10-09 2008-10-07 National Semiconductor Corporation Laser trim and compensation methodology for passively aligning optical transmitter
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JP2006066610A (ja) * 2004-08-26 2006-03-09 Fujitsu Ltd 光増幅装置、ラマン増幅器、光波長多重伝送システム、光波長多重伝送方法
JP5303961B2 (ja) * 2008-02-26 2013-10-02 富士通株式会社 光ファイバ増幅器、劣化検出器および劣化検出方法
RU2480875C2 (ru) * 2011-01-31 2013-04-27 Ооо "Научно-Техническое Объединение "Ирэ-Полюс" Способ дифференциального контроля инверсии населенности лазерной среды и устройство его реализующее
US8953652B2 (en) 2011-01-31 2015-02-10 Ipg Photonics Corporation Method and apparatus for differentially controlling population inversion in gain medium
CN103162822A (zh) * 2013-02-28 2013-06-19 中国人民解放军国防科学技术大学 基于积分球的光纤激光输出功率在线监测系统
WO2014165134A1 (en) * 2013-03-13 2014-10-09 Nufern Optical fiber system having a remote power module
US10739229B2 (en) * 2018-07-25 2020-08-11 Stc.Unm Systems and methods for measuring absorption coefficients of doped optical fibers
DE102020133142A1 (de) * 2019-12-13 2021-06-17 Ii-Vi Delaware, Inc. Blind-pumplaser-erkennung
CN112986663A (zh) 2019-12-13 2021-06-18 福州高意通讯有限公司 一种L-band光纤放大器中前馈泵浦失效的探测结构及方法
JP2021187394A (ja) * 2020-06-03 2021-12-13 林テレンプ株式会社 車両用照明装置
TWI758923B (zh) * 2020-10-27 2022-03-21 財團法人工業技術研究院 雷射檢測系統

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Also Published As

Publication number Publication date
EP0517503A3 (en) 1994-01-12
JPH04356984A (ja) 1992-12-10
EP0517503B1 (de) 1997-08-13
DE69221542T2 (de) 1998-03-19
US5245690A (en) 1993-09-14
EP0517503A2 (de) 1992-12-09
DE69221542D1 (de) 1997-09-18

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